Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose and repair any other DTCs set in the PCM before proceeding with this test.
1. Turn the ignition on.
2. With the scan tool, erase DTCs.
3. Start the engine and allow it to reach operating temperature.
  WARNING:
  When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury.
  
  NOTE:
  It may be necessary to test drive the vehicle in order for this DTC to set.
4. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
PCM ODOMETER MILEAGE NOT PROGRAMMED
1. Turn the ignition on.
2. With the scan tool, attempt to perform the Program PCM Odometer function.
3. With the scan tool, erase DTCs.
4. Start the engine.
5. Allow the engine to reach normal operating temperature.
6. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - The SRI mileage has been successfully programmed into the PCM. Test is complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CHECKING THE PCM POWER AND GROUND CIRCUITS
1. Perform the NO RESPONSE FROM POWERTRAIN CONTROL MODULE test procedure. Refer to the appropriate Diagnostic information .
2. Using the wiring diagram/schematic as a guide, inspect the Powertrain Control Module (PCM) wiring and connectors.
3. Look for any chafed, pierced, pinched or partially broken wires.
4. Look for broken, bent, pushed out or corroded terminals.
5. Perform any Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
POWERTRAIN CONTROL MODULE (PCM)
1. Turn the ignition on.
2. With the scan tool, attempt to perform the Program PCM Odometer function under the PCM/ECM REPROGRAMMING Procedure. Refer to MODULE PROGRAMMING .
3. With the scan tool, erase DTCs.
4. Start the engine.
5. Allow the engine to reach normal operating temperature.
6. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - The SRI mileage has been successfully programmed into the PCM. Test is complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .